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Collection: Books and Periodicals > Mining & Scientific Press

Volume 17 (1868) (428 pages)

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Subserlptlon, 85 Ter ANNUM, 15 Cents. Single Coples, WY PEW & CoO., Patent Solleltors. San Francisco, SaTurpay, JuLy 11, 1868. VOLUME XVII. Number 2. Table of Contents. Improvement in Oununlug’MKomantcay MisckLEANY — and Alarpeulng Saws—lil . Tie Durnbillty of Metals; Misrepresen. atl, Linery Whieets; od Unusual Electric Diaptay, . va. Driiled oles: stecl. The Prapused Darlen Ship Sciex tirie Misckenaxy.— Canal Reluitee In the Arts; PussTineressions by Heat and) ave of Wydrogen Through Eleetricily, ron, A_Sutnrameter; To Improvements at the Soulh; Electro-Piate Paper; ComEnid. bustlon; Gile Wire, Volatility ef God and Silver.) Minise Soumany—Comprising Lecumotives uy Mining Tun-' Inte Intelllgence tram te { various counties and districts In Cuillarnia, Arizonn, Colorado, Dacotah, lds lo, Muntana, New Mexico, Revads and Oregan, Now Parents and Inventlois, Mioerniis In Missourl, San Francia: o Mining Shares AM steors aid Conrets, . holders’ Directury. AetG mecrning Asscssments. San Francisco Weekly Stock San Francacu Market Kates — Circilu Stock Prices—Bl and Asked. New 1 Notices to CVurrespondents, ite: ole, ‘ Russ Browne's First Report. How Manntactured Eloxe, The Western Mounds to be Exptorrad and Mapped Mainfucinresin the West. thar. neorporallons—Ligt of CaS MisrRerresentation. --Somcbody, who sigus himself “S. R.,” has been writing to tho Missouri Republican, from Tahee, Cal, a long story about the sufferings of newly arrived emigrants in this city. He says that on the arrival of a ship at this port the wharves are usually lined with ‘tau ayerago of eight or nine thousand miserable looking men, each of whom rues tho day when he first listened to tho stories told abont this land of gold.” Out of this number, he says at least 5,000 have had no bed the previous night, aud no “squarc meal” during the day. This is about the sum and substanco of this lugnbrious letter, which, it is needless to say, is a tissuc of the most willful misrepresentations and falsehoods, from beginning to end. It is siugular that our Eastern cotemporaries are so ready toallow suchanonymous correspondents toso abuse their confidence, The only reply needed to such a statement, : js the fact that we havo in this city a free Labor Exchange, which is widely advertised, and on application to which any person who desires can obtain employment, and if necessary, transportation free to the place of employment. Hnndreds avail themselves of this agency fer obtaining work, every week; and it is usually the ease that the demand for ordinary labor exceeds the supply, and at prices which are fairly remunerative, Since tho above was iu type we have noticed that the Pacific Railroad Company advertises for 300 hands for laying track— such as spikers, iron-layers, tie-layers, ete, — (work whieh any able-bodied person can perform) at wages varyiug from $45 to $65 per month in gold and board. Furthermore, we may observe that the Secretary of the Labor Exchange has made his mouthly report for June, in which he says it is searcely possible to over estimate the demand for female labor on this eoast. Ineffectual offers have been made as high as $30 per month in gold, for persons to do plain cooking, washing and ironing; and this wheu the same class of labor can be had in New York for from $8 to $12 incur-. rency. We may also add the fact that there is nota man in the almshouse of this city, (nor need there be) able to perform any kind of labor. These facts afford an ample zofutation of the above misrepreseut.tions, Improvement in Gumming and Sharpening Saws. Once of the difliculties, savs tho Scientific American, experienced by practical sawyers in the use of their saws, is the trouble of kecping them in working order. A large portion—toe large—of their time is expended in filing, gumming, or adjusting their saws, A handy, cheap, and portable contrivauco for this purpose is certainly a desideratum. The one shown in tho eneravings contains all these requisites. It may bo temporarily affixed to auy bench, moved from one place to auothcr, and is adapted to all sizes and styles of saws. The saw, whether circular or straight, cau be
presented to the gummiug wheel at any angle, SO its shaft, which is driven by a belt eu the pulley, D. The gummer is advanced to the work by the lever, E, on the shaft of which isacam, I’, working against a stud on the inner side ef one of the uprights. A spring, G, returns the gummer te place, when the lever, E, is withdrawn, The foot of the saw support is pivoted or hinged to the base, H, both being held firmly to the bench by a bolt passing through the slot, This allows the saw to be set at au augle tothe gummer. The sawiscanted in the transverse direction by a joint and bolt, which permits teeth of any anglo of edge to be adjusted to the gummer, Two screws, J, hold the bed of the saw in the position desired. The bed itself is dovetailed, and a eorresponding sliding block fits the recess, and is held by a set screw. MARKLAND’S PATENT ADJUSTABLE SAW (GUMMER, gummer te the shaft, one on each side, to keep the teeth ef the saw cool while beiug operated upon, A pan of ice ou the bench under tho gummer will serve to cool the air before it is taken up by the fans, The operation of the machine may be readily understood from the foregoing detailed description and the engravings. It was patented April 2, 1867, by Thomas T. Markland, Jr. The machines will be furnished on application to Joshua Hendy, San Francisco; E. D. Eyre & Co., 248 South Bighth street, Philadelphia, Pa, or W. H. Miles, 117 John street, New York. Wo understand a sample machine will he shown at the Pavilion during the Fair of the Meclave:’ Institute in this city, where practical men can see and judge its merits, a Unvsvan Exnucrric Dispuay. The vicinity of this city was visited by a most unusual display of electricity on Monday last. About 8 4, , a dark thunder clond came in from the west, near the ‘‘ Golden Gate,” passed to the northward of the city, aud apparently directly over the huge proportious of Mount Tamilpais. During its passage, sharp and loud peals of thunder were heard in rapid suecession, reminding one vividly of a tempest in the New England States. Another similar phenomenon occurred a few hours later. The atmosphere, or rather the floating masses of vapor in the atmosphere of this region, appeared to beunusually charged with vapor during all the morning; so much so that for the first time since tho telegraph hasbeen iu operation, inconnectiou with this eity, all business was suspended for the period of two hours by the flashes of lightning which played along the wires during the storm at midday. Tlectrical flames danced around the instruments iu the San Francisco office, and it is said there were frequent reports like pistol discharges. As a matter of safety the instruments were disconnected, else they would probably have been melted, as is ogcasionally the case where lightning . storms are frequent. Tho brass of these instrumeuts in other localities has been . melted into giobes nearly the size of a Vig. 1 is a perspective view of the machino . The bolt, which, with the flanges, K, holdjbullet, and thick copper wire has melted in positiou for operation ; Fig. 2 shows. the saw to the block, is small enough to fit] away like lead. tho method of securing a straight saw to its. the smallest eye, and larger eyes are fitted bed in readiuess to be operated upon by the. by means of properly sized thimbles. Let A represeut a table, or. stand, L, supports an adjustable rest to emery wheel. The a seetion of a work beneh, with a slot for. steady the edge of the saw on which the recciviug the standard of the saw support. The standard which holds the gummer or emery whecl and its appliances hasa slotted bottom, through which and the bench passes one or more bolts by which it is held in position, the slot allowing for lateral] adjustment. The uprights, which have the journal boxes ou their upper end, are se-~ cured to shaft, B, allowing a swinging or rocking mevement to the gummer, C, and’ attached to the flanges which separa ths gummcer is at work. The amount of forward and backward movement of the gummer frame is governed by thumb screws. Vig. 2, is a sliding rest for holding straight saws, its lower portion, N, being formed to fit the same bed as that which the block for holding the cireular saw fits, The saw is held by the clamps, O, and adjusted to . Between the Warm Springs, Alameda . County, and Sau José, four telegraph poles were shattered by the lightning—something eutirely uuprecedented in this part of the country. One of the instrnments in the office at San José was iujured by the lightning so as to render if unserviceable until repaired, More thunder was heard iu this city, within two hours, than has been previously heard altogether fon the last ten years. Thera wag bué g mere sprinkle of rain in place by the stops, P. Small fans may be ig San Francisco. Mueh more fell in the direct path of the clouds,